 <div style="text-align: center" >
  <h1 style="margin-top:0">阶段响应时间</h1>
 </div>
  <div >
     <md-button  ng-click='returnSysperform()' class="md-raised" > 返回</md-button>
  </div>
  <div layout="column" layout-margin layout-align="start center" ng-show="isDrill">
    <div id="throughput" flex="86" style="height:210px; width:100%"></div>
    <div id="concurrent" flex="86" style="height:210px; width:100%"></div>
    <div id="phasesRes" flex="86" style="height:280px; width:100%"></div>
  </div>
  <div layout="column" layout-margin layout-align="start center" ng-show="!isDrill">
    <div id="drill" flex="86" style="height:640px;width:100%"></div>
  </div>
